142357867 has 2 divisors, whose sum is σ = 142357868. Its totient is φ = 142357866.

The previous prime is 142357849. The next prime is 142357871. The reversal of 142357867 is 768753241.

It is a strong prime.

It is an emirp because it is prime and its reverse (768753241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142357867 is a prime.

It is not a weakly prime, because it can be changed into another prime (142357837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71178933 + 71178934.

It is an arithmetic number, because the mean of its divisors is an integer number (71178934).

Almost surely, 2^142357867 is an apocalyptic number.

142357867 is a deficient number, since it is larger than the sum of its proper divisors (1).

142357867 is an equidigital number, since it uses as much as digits as its factorization.

142357867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 142357867 is about 11931.3816048268. The cubic root of 142357867 is about 522.1482467235.

The spelling of 142357867 in words is "one hundred forty-two million, three hundred fifty-seven thousand, eight hundred sixty-seven".